Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 6 - Systems of Equations and Inequalities - 6-3 Solving Systems Using Elimination - Practice and Problem-Solving Exercises: 31

Answer

Solution (5,4)

Work Step by Step

System of equation: 3x-2y=7 and 5x+2y=33 Elimination method: (3x-2y)+(5x+2y)=33+7 3x+5x-2y+2y=40 8x=40 => x=5 3(5)-2y=7 => 15-2y=7 => 8=2y => y=4 Solution: (5,4)
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